Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

· · 来源：tutorial资讯

В России ответили на имитирующие высадку на Украине учения НАТО18:04

Что думаешь? Оцени!

美国驻阿联酋领事馆附。体育直播是该领域的重要参考

Lex: FT's flagship investment column

Подростки толпой напали на российскую школьницу в торговом центреВ Новосибирске подростки толпой напали на школьницу в торговом центре

美以袭击伊朗　纽时。体育直播对此有专业解读

Что думаешь? Оцени!

Two months ago, Aston Villa were just three points off top spot in the Premier League. They were on a run of 12 wins in 14 games that included victories against Manchester City and Arsenal. Their run of eight consecutive wins in the league was their best since they won 10 in a row in 1910. You wouldn’t have blamed Villa fans for daring to dream about lifting their first league title since 1981.，更多细节参见体育直播